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Evaluating Arizona’s geologic setting, mineral resources, and geologic hazards.
The ineluctable march of earth fissures in southern Arizona
22 October 2019
The ineluctable march of earth fissures in southern Arizona documented in newly revised earth fissure study area maps.
Rapid infilling of a fresh earth fissure in southern Pinal County, Arizona w/ comment by Ken Fergason
26 January 2019
Rapid infilling of a 2-mile long fissure in the Tator Hills earth study area, Pinal County
Arizona Mining Review: Touring Florence Copper In-Situ Recovery Project
Arizona Mining Review
Minerals & Mining
26 July 2018
“We are probably the most regulated mine in the state of Arizona”
Dan Johnson, VP & General Manager of Florence Copper, Inc.
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